Smartly designed, this is the most comprehensive carbon removal multi-tool ever. Packed with easy-to-use precision cleaning tools, it gives you the power to easily demolish carbon from 13 surfaces on the bolt carrier, bolt, bolt cam pin & firing pin. It also features a pin punch, cotter pin puller, detailing brushes and a nylon carry sheath. Thorough, easy and fast, keeps your gun in the action.Specifications and Features: Real Avid Carbon Boss AR15 AVCARBAR15 AR-15 Bolt Carrier Group Cleaning Multi-tool 13-in-1 Carbon Removal Tool Pin Punch Cotter Pin Puller 12 Precision Scraping Surfaces 360 Degree Phosphor Bronze Brush Ballistic Nylon Sheath